Here's what rhymes with cancellor.
                        
                        
                    
                                canceller  chancellor  Words that almost rhyme with cancellor
annular  capsular  candler  granular  glandular  handsomer  ransomer  caroler  manager  angular  catheter  massacre  bachelor  caliber  aquifer  calibre  tabular  canister  janitor  scapular  caliper  fastener  rattler  saddler  canvasser  paddler  garrotter  vascular  calendar  grandmother  passenger  traveller  capacitor  traveler  valvular  adductor  oracular  calender  falconer  wrangler  waggoner  wagoner  bannister  fashioner  dangler  prattler  jangler  diameter  parameter  ambassador  examiner  vernacular  lavender  analyser  challenger  scavenger  lackluster  lacklustre  dampener  nongranular  banqueter  straddler  rectangular  spectacular  triangular  hexameter  perivascular  microvascular  neurovascular  unspectacular  cardiovascular  cerebrovascular